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Lime Group TitleBest ResponseYou've already chosen the best response.1
Alternate Interior angles are congruent when lines are parallel. Use Angle Addition Postulate.
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.1
\[m \angle ABD+m \angle CBD=m \angle B \]
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.1
\[\angle B \approx \angle D \]
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.1
Or \[\angle A \approx \angle C\]
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.1
I'm guessing you might have figured that out yourself. The key phrase is 'Alternate Interior angles are congruent when lines are parallel.'
 2 years ago

computergeek123 Group TitleBest ResponseYou've already chosen the best response.0
yeah. haha So like what else do I need to write to prove they are congruent?
 2 years ago

computergeek123 Group TitleBest ResponseYou've already chosen the best response.0
I searched all through the lesson and I can't find where they say Angles. I only do the sides! ?
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.1
It's a property of parallelograms. That statement is really enough proof as it is. I would back that statement up with the diagram and equations; if the question pushes for more information.
 2 years ago

computergeek123 Group TitleBest ResponseYou've already chosen the best response.0
SO write "Alternate Interior angles are congruent when lines are parallel."??
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.1
Opposite angles are congruent because correspondent angles on congruent triangles are congruent. Yes, Alternate Interior angles are congruent when lines are parallel. The question is referring to angles.
 2 years ago

computergeek123 Group TitleBest ResponseYou've already chosen the best response.0
Thank you.
 2 years ago
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